CN110313044A - SF6 insulated circuit breakers system with thermal storage device - Google Patents
SF6 insulated circuit breakers system with thermal storage device Download PDFInfo
- Publication number
- CN110313044A CN110313044A CN201780061492.7A CN201780061492A CN110313044A CN 110313044 A CN110313044 A CN 110313044A CN 201780061492 A CN201780061492 A CN 201780061492A CN 110313044 A CN110313044 A CN 110313044A
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- China
- Prior art keywords
- thermal
- storage device
- storage tank
- thermal energy
- circuit breakers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003860 storage Methods 0.000 title claims abstract description 154
- 229910018503 SF6 Inorganic materials 0.000 claims abstract description 125
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims abstract description 125
- 229960000909 sulfur hexafluoride Drugs 0.000 claims abstract description 125
- 238000004146 energy storage Methods 0.000 claims abstract description 25
- 239000012188 paraffin wax Substances 0.000 claims description 19
- 239000012212 insulator Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 12
- 230000008859 change Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
- H01H33/562—Means for avoiding liquefaction or for disposing of liquefaction products
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/065—Means for detecting or reacting to mechanical or electrical defects
- H02B13/0655—Means for detecting or reacting to mechanical or electrical defects through monitoring changes of gas properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/62—Heating or cooling of contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
- H01H33/563—Gas reservoirs comprising means for monitoring the density of the insulating gas
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
A kind of sulfur hexafluoride (SF6) insulated circuit breakers system, includes storage tank, is configured to save a certain amount of SF6；Breaker has the contact to be insulated by SF6；Heater can be operated with to SF6 heat supply；And thermal storage device, and the thermally conductive engagement of storage tank, and can operate to store thermal energy and be configured to the SF6 by thermal energy conduction into storage tank.One kind being used for the thermal energy storage system of sulfur hexafluoride (SF6) insulated circuit breakers system, sulfur hexafluoride (SF6) the insulated circuit breakers system has the storage tank for storing a certain amount of SF6, the thermal energy storage system includes: thermal storage device, it can operate to store thermal energy, and be configured to engagement storage tank and the SF6 by thermal energy conduction into storage tank.
Description
Technical field
Invention relates generally to breakers, more specifically but not exclusively, are related to thermal storage device (a thermal
Capacitor sulfur hexafluoride (SF6) insulated circuit breakers system).
Background technique
Various types of electrical systems (for example, circuit breaker system) are still concerned field.Some existing system phases
Have the shortcomings that various shortcomings and disadvantage for certain applications.For example, in some SF6 insulated circuit breakers systems, it is low
Environment temperature may lead to the lock state of breaker too quickly.Thus, it is still necessary to further tribute is made in this technical field
It offers.
Summary of the invention
One embodiment of the present of invention is unique sulfur hexafluoride (SF6) insulated circuit breakers system with thermal storage device.One
Embodiment is unique thermal energy storage system for SF6 insulated circuit breakers system.Other embodiments include for SF6 insulation open circuit
Device, system, equipment, hardware, method and the combination of device system.According to description presented herein and attached drawing, the application's
Other embodiments, form, feature, aspect, benefit and advantage will become obvious.
Detailed description of the invention
Fig. 1 schematically illustrates embodiment according to the present invention, sulfur hexafluoride (SF6) insulated circuit breakers system non-
The some aspects of limitative examples.
Fig. 2 schematically illustrates the unrestricted of embodiment according to the present invention, Fig. 1 SF6 insulated circuit breakers system
The exemplary some aspects of property.
Fig. 3 schematically illustrates embodiment according to the present invention, SF6 insulated circuit breakers system non-limiting example
Some aspects.
Specific embodiment
In order to promote the understanding to the principle of the present invention, middle shown embodiment, and use spy referring now to the drawings
Attribute is sayed to describe these embodiments.It will be appreciated, however, that being therefore not intended to limit the scope of the present invention.It is involved in the present invention
The technical staff in field would generally imagine any change in described embodiment and further modification and as herein
Any further application of described the principle of the present invention.
Referring to Fig.1, in this example it is schematically indicated that embodiment according to the present invention, sulfur hexafluoride (SF6) insulated circuit breakers system
The some aspects of the non-limiting example of system 10.In one form, circuit breaker system 10 is blown using SF6 dielectric gas is
System, to break in circuit, (disconnection of contact) period forces pressurization SF6 between contact of breaker.In other embodiments, break
Road device system 10 can use any suitable SF6 arc quenching system, for example, circuit breaker system 10 can be self-ventilation system.It is disconnected
Road device system 10 includes: the breaker 12 with conductor 14 and 16；Contact 18 and 20 and for operate contact 18 and 20 it is
System 22；Storage tank 24 is configured as container to save a certain amount of SF6；Density monitor 26 comprising temperature sensor 28
With pressure sensor 30；And thermal energy storage system 32.
Contact 18 and 20 by system 22 operate be formed selectively with breaking current path, to respectively allow for and middle cutout
Cross the electric current of conductor 14 and 16.Contact 18 and contact 20 by for arc extinguishing, SF6 from storage tank 24 insulate.In one kind
In form, contact 18 is double acting contact.In other embodiments, single action contact can be used.Storage tank 24 is configured to store
SF6, and it is used as the container of SF6.In the illustrated embodiment, contact 18 and 20 is arranged in storage tank 24.In other implementations
In example, contact 18 and 20 can be located at the outside of storage tank 24, and can supply SF6 from storage tank 24.
Density monitor 26 can be operated to determine and monitor the density of SF6 gas in storage tank 24.Under normal operation, SF6
As electrical insulator, for the interruption medium of arc extinguishing and for the mechanical damper of the contact 18 and 20 in breaker 12.
SF6 is stored in storage tank 24 under the pressure of representative temperature (for example, room temperature).In some cryogenic conditions (for example, -30 DEG C to -50
DEG C or it is lower) under, the SF6 gas in storage tank 24 can undergo liquefaction, and some of SF6 gases become liquid.Some SF6 gases
Liquefaction reduce the density for the gaseous state SF6 for example during the disconnection of contact 18 and 20 in the storage tank of arc extinguishing.In one kind
In form, density monitor 26 is used and is determined SF6 gas in storage tank 24 using temperature sensor 28 and pressure sensor 30
Density.
Density monitor 26 can be operated to indicate state associated with the density of SF6 gas in storage tank 24, with storage tank
The temperature of SF6 gas in 24 and change.If the density of the SF6 gas in storage tank 24 is sufficiently used for normal arc extinguishing operation, without
Can be to 18 excessive damage of contact, then the output of density monitor 26 indicates the signal of nominal state.If SF6 gas density is is lower than the
One predetermined density is horizontal, then the signal of the output of density monitor 26 instruction alarm state, for example, with to the behaviour of circuit breaker system 10
Author's instruction needs to safeguard, for example, to 24 heat supply of storage tank, although in some cases, alarm state, which may be used to indicate that, to be needed
It supplements the SF6 supply in storage tank 24 or takes other measures to increase the density of SF6 in storage tank 24.If SF6 gas density is
The second predetermined density for dropping below level of density associated with alarm state is horizontal, then the output of density monitor 26 indicates
The signal of lock state.In one form, when SF6 temperature is -33 DEG C, lock state, the i.e. locking temperature of SF6 occurs
It is -33 DEG C.In other embodiments, other temperature can be used to specify lock state.With nominal state, alarm state and lock
Determining the associated level of density of state can change according to the needs of specific application, and be known to those skilled in the art
's.In some embodiments, when in a locked condition, circuit breaker system 10 allows the single of Circuit Interrupt to occur, that is, allows
Single breaking-off contact 18 and 20, but do not allow to be closed or be then closed contact 18 and 20, or do not allow to load for being closed touching
First 18 and 20 spring, piston or other equipment, until the reset of lock state.In some embodiments, once being in
Lock state, circuit breaker system 10 does not allow for that contact 18 and 20 is opened or closed, until the reset of lock state.
Thermal energy storage system 32 includes thermal storage device 34.In some embodiments, thermal energy storage system further includes heater 36
With thermal insulator 38.In other embodiments, other than heater 36 and thermal insulator 38 or replace heater 36 and thermal insulator 38,
Circuit breaker system 10 may include the heater being arranged on storage tank 34 or in storage tank 34, and may include being arranged in storage tank 24
The thermal insulator of surrounding.Thermal storage device 34 and the thermally conductive engagement of storage tank 24, and can operate to store thermal energy.In one form, thermal storage device
34 are connected with to the boss (not shown) on storage tank 24.In other embodiments, belt, fixture can be used in thermal storage device 34
Or other fastening systems or equipment are attached on storage tank 24, or in some embodiments can be integral with storage tank 24.Heat accumulation
Device 34 is configured to for example via the conduction by the wall of storage tank 24 by the thermal energy conduction of storage to the SF6 in storage tank 24.Heat accumulation
Device 34 can be operated to increase the thermal mass of circuit breaker system 10, and increase the thermal time constant of circuit breaker system 10.In one kind
In form, thermal storage device 34 is metal.In other embodiments, thermal storage device 34 can be nonmetallic.In one form, it stores up
Hot device 34 is aluminium casting.It in other embodiments, can be using the other materials and/or method for forming thermal storage device 34, for example, storage
Hot device 34 can be weldment.
Heater 36 is coupled to thermal storage device 34.Heater 36 can be operated with to 34 heat supply of thermal storage device, and for example via storage
Hot device 34 is to the SF6 heat supply being arranged in storage tank 24, to realize and maintain the SF6 gas in storage tank 24 at or greater than being suitable for
The required temperature or density value of the electric arc between contact 18 and 20 is quenched.In one form, heater 36 is that multiple tubulars add
Hot device element (cartridge heater), such as it is coupled to thermal storage device 34.In other embodiments.Heater 36 can be coupled to
The strip heater element (strip heater) of thermal storage device 34 or one or more heaters of any suitable type.In some realities
It applies in example, heater 36 can be set in the inside of thermal storage device 34, or can be set between thermal storage device 34 and storage tank 24.Every
Warmware 38 is arranged around thermal storage device 34, for example, it is preferred at least up to degree needed for covering heater 36.Some embodiments can
Not include thermal insulator 38.In some embodiments, in addition to the place that thermal storage device 34 is contacted with storage tank 24, thermal insulator 38 can be
The exterior circumferential of thermal storage device 34 extends always.Thermal insulator 38 for example can be the insulation blanket for partially surrounding thermal storage device 34.
Referring to Fig. 2 and Fig. 3, illustrate according to some embodiments of the present invention, storage tank 24 and thermal storage device 34 it is unrestricted
The exemplary some aspects of property.In the illustrated embodiment, thermal storage device 34 is configured to partially surround storage tank 24, for example, to increase
Add the heat transfer between storage tank 24 and thermal storage device 34.In some embodiments, thermal energy storage system 32 include heat-conduction medium or
Heat-conducting medium 40.Heat-conducting medium 40 is configured as increasing the heat for the SF6 from storage tank 24 to thermal storage device 34 and being stored in storage tank 24
Conduction.In one form, heat-conducting medium 40 is arranged between thermal storage device 34 and storage tank 24.In some embodiments, thermally conductive Jie
Matter 40 extends in thermal storage device 34 and/or storage tank 24.In one form, heat-conducting medium 40 is thermal grease conduction.In other realities
It applies in example, heat-conducting medium 40 can be heat-conducting cream, thermal compound or can operate between thermal storage device 34 and storage tank 24 or to store up
Any material, structure or the equipment of heat are conducted between hot device 34 and the SF6 being stored in storage tank 24.
In one form, thermal storage device 34 is hollow.In other embodiments, thermal storage device 34 can be solid.?
In a kind of form, thermal storage device 34 includes the heat accumulating 42 being arranged in thermal storage device 34.In one form, heat accumulating 42 can
Operation is for example to supply latent heat to SF6 via storage tank 24.In other embodiments, heat accumulating 42 is inoperable to supply to SF6
Answer latent heat.In one form, heat accumulating 42 is paraffin.In other embodiments, other materials can be used.The present embodiment
Melting point of paraffin wax be 60 DEG C.In other embodiments, the paraffin with other fusing points can be used.When paraffin solidification,
Volume reduces about 13%.During production, the paraffin of the hydraulically full form of thermal storage device 34.Pressure in solidification, in thermal storage device 34
Power reduces, for example, subatmospheric.In some embodiments, the pressure inside thermal storage device 34 can be in paraffin connects
Close or partial vacuum.It in some embodiments, can be using the standpipe (risers) of thermal storage device 34 or other geometrical characteristics come shape
At air pocket, so as to the pressure oscillation being originated from the thermal storage device 34 of wax phase change be reduced, so that the circulation reduced in thermal storage device 34 is answered
Power.In some embodiments, venthole, breather or other feature/equipment/systems can be used to maintain in thermal storage device 34
Required pressure or pressure limit, and do not have to consider wax phase change.
In certain areas, to the environment temperature of circuit breaker system (such as circuit breaker system 10) required to include at -60 DEG C
Under degree, when the power failure of heater or heater, circuit breaker system must be before entering lock state after reforwarding
Row at least two (2) a hour.Thus, heat storage system 32 and thermal storage device 34 are configured as storing enough thermal energy at least two
(2) liquefaction due to SF6 under -60 DEG C of ambient temperature conditions is prevented in a hour and leads to the locking shape of circuit breaker system
State.
In an experiment, being exposed to -60 DEG C of ambient temperature conditions, circuit breaker system 10 with thermal energy storage system 32
Embodiment begins to change into -33 DEG C of lock in about 3.5 hours from the starting point of 150 DEG C of paraffin temperature and -10 DEG C of SF6 temperature
Determine SF6 temperature.Experiment starts from cutting off the power supply of heater 36.During the experiment, as paraffin temperature reduces, the temperature of SF6
It is reduced from -10 DEG C of initial values, then since the latent heat of melting is supplied to SF6 from paraffin, at a temperature of 60 DEG C of paraffin
During the phase transformation of paraffin from liquid to solid, the temperature of SF6 stablizes the temperature more than locking temperature.Paraffin it
Afterwards, as paraffin temperature reduces, SF6 temperature continues to reduce, until about 3.5 hours reach locking temperature until test starts.
The thermal storage device 34 used in testing saves the paraffin of about 25kg.During phase transformation, paraffin returns to the heat of 201J/g.- 40
DEG C ambient temperature conditions under, subtract the identical circuit breaker system of thermal energy storage system 32 become from -10 DEG C of SF6 temperature -
33 DEG C of locking SF6 temperature was spent less than one hour.Thus, it will be seen that addition thermal energy storage system 32 is greatly increased and is resolved
The thermal mass and thermal time constant of road device system keep SF6 to lock to improve circuit breaker system under the conditions of low ambient temperature
Determine the ability of the operation of temperature or more.By making SF6 more slow cool down, more times take for the operator of circuit breaker system
Measure prevents the circuit breaker system from reaching lock state.
The embodiment of the present invention includes sulfur hexafluoride (SF6) insulated circuit breakers system comprising: storage tank is configured to protect
Deposit a certain amount of SF6；Breaker has the contact to be insulated by SF6；Heater can be operable for heat to heat SF6；Thermal storage device,
With the thermally conductive engagement of storage tank, and can operate to store thermal energy and be configured to the SF6 by thermal energy conduction into storage tank.
In improving one, heater is coupled to thermal storage device, and can operate with via thermal storage device to SF6 heat supply.
In another improvement, thermal storage device is configured at least partially about storage tank.
In another improvement, thermal storage device is metal.
In another refinement, thermal storage device is hollow.
In another refinement again, thermal storage device includes that can operate to supply the material of latent heat to SF6.
In further improve, which is paraffin.
In further improvement, SF6 insulated circuit breakers system further include: heat-conduction medium, setting thermal storage device with
Between storage tank.
In further improving, thermal insulator is at least partially disposed on around thermal storage device.
In further improve again, thermal storage device is configured to store enough thermal energy at least two (2) a hour
It inside prevents the liquefaction due to SF6 under -60 DEG C of ambient temperature conditions and leads to the lock state of breaker.
The embodiment of the present invention includes the thermal energy storage system for sulfur hexafluoride (SF6) insulated circuit breakers system, hexafluoro
Changing sulphur (SF6) insulated circuit breakers system has the storage tank for storing a certain amount of SF6, and thermal energy storage system includes: thermal storage device, can be grasped
Make to store thermal energy, and is configured to engagement storage tank and the SF6 by thermal energy conduction into storage tank.
In being improved one, thermal energy storage system further include: heater is coupled to thermal storage device, and can operate via storage
Storage is to SF6 heat supply.
In another improvement, thermal storage device is configured at least partially about storage tank.
In another improvement, thermal storage device is metal.
In another refinement, thermal storage device is hollow.
In another refinement again, thermal storage device includes that can operate to supply the material of latent heat to SF6.
In further improve, which is paraffin.
In further improvement, thermal energy storage system further include: heat-conduction medium, setting thermal storage device and storage tank it
Between.
In further improving, thermal energy storage system further include: thermal insulator is at least partially disposed on thermal storage device week
It encloses.
The embodiment of the present invention includes sulfur hexafluoride (SF6) insulated circuit breakers system comprising: storage tank is configured to protect
Deposit a certain amount of SF6；Breaker has the contact to be insulated by SF6；Heater can be operable for heat to heat SF6；For storing up
It deposits heat and transfers heat into SF6 and postpone the liquefied device of the SF6 in storage tank under the conditions of low ambient temperature.
Although illustrating and describing the present invention in detail in the drawings and the preceding description, similarly it is considered as
It is illustrative and not restrictive, it should be understood that preferred embodiment only has shown and described and it is expected that protection falls into the present invention
All changes and modification within scope.Although should be appreciated that in the above description using such as preferable, preferably
Ground, preferred or preferred word indicate that the feature so described may be more desirable, but it may not be it is required,
And it is also considered as within the scope of the present invention without the embodiment of this feature, the scope of the present invention is wanted by appended right
Ask restriction.When reading the claims, it is intended that when using such as " one ", "one", "at least one" or " at least one portion
Point " etc word when, unless otherwise indicated, be otherwise not intended to claim being limited to only one project.Unless there are special
Opposite explanation, otherwise when using language "at least a portion" and/or " a part ", the project may include it is a part of and/or
Entire project.
Claims (20)
1. a kind of sulfur hexafluoride (SF6) insulated circuit breakers system, comprising:
Storage tank is configured to save a certain amount of SF6；
Breaker has the contact to be insulated by the SF6；
Heater can be operable for heat to heat the SF6；
Thermal storage device, and the thermally conductive engagement of the storage tank, and can operate to store thermal energy and be configured to the thermal energy conduction extremely
The SF6 in the storage tank.
2. SF6 insulated circuit breakers system according to claim 1, wherein the heater is coupled to the thermal storage device, and
And can operate with via the thermal storage device to the SF6 heat supply.
3. SF6 insulated circuit breakers system according to claim 1, wherein the thermal storage device is configured at least partly ring
Around the storage tank.
4. SF6 insulated circuit breakers system according to claim 1, wherein the thermal storage device is metal.
5. SF6 insulated circuit breakers system according to claim 1, wherein the thermal storage device is hollow.
6. SF6 insulated circuit breakers system according to claim 5, wherein the thermal storage device includes that can operate with to described
The material of SF6 supply latent heat.
7. SF6 insulated circuit breakers system according to claim 6, wherein the material is paraffin.
8. SF6 insulated circuit breakers system according to claim 1, further includes: heat-conducting medium, setting the thermal storage device with
Between the storage tank.
9. SF6 insulated circuit breakers system according to claim 1, further includes: thermal insulator is at least partially disposed on described
Around thermal storage device.
10. SF6 insulated circuit breakers system according to claim 1, wherein the thermal storage device be configured to store it is enough
Thermal energy, to prevent lock state of the breaker under -60 DEG C of ambient temperature conditions in a hour at least two (2).
11. one kind is used for the thermal energy storage system of sulfur hexafluoride (SF6) insulated circuit breakers system, the sulfur hexafluoride (SF6) is exhausted
Edge circuit breaker system has the storage tank for storing a certain amount of SF6, and the thermal energy storage system includes: thermal storage device, can operate to store up
Thermal energy is deposited, and is configured to engage the storage tank and the SF6 by the thermal energy conduction into the storage tank.
12. thermal energy storage system according to claim 11, further includes: heater is coupled to the thermal storage device, and can
Operation with via container to the SF6 heat supply.
13. thermal energy storage system according to claim 11, wherein the thermal storage device be configured to it is at least partly about
The storage tank.
14. thermal energy storage system according to claim 11, wherein the thermal storage device is metal.
15. thermal energy storage system according to claim 11, wherein the thermal storage device is hollow.
16. thermal energy storage system according to claim 15, wherein the thermal storage device includes that can operate to supply to the SF6
Answer the material of latent heat.
17. thermal energy storage system according to claim 16, wherein the material is paraffin.
18. thermal energy storage system according to claim 11, further includes: heat-conduction medium, setting the thermal storage device with
Between the storage tank.
19. thermal energy storage system according to claim 11, further includes: thermal insulator is at least partially disposed on the storage
Around hot device.
20. a kind of sulfur hexafluoride (SF6) insulated circuit breakers system, comprising:
Storage tank is configured to save a certain amount of SF6；
Breaker has the contact to be insulated by the SF6；
Heater can be operable for heat to heat the SF6；
For storing heat and transferring heat into the SF6 and postpone in the storage tank under the conditions of low ambient temperature
The liquefied device of the SF6.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/233,620 US9991064B2 (en) | 2016-08-10 | 2016-08-10 | SF6 insulated circuit breaker system with thermal capacitor |
| US15/233,620 | 2016-08-10 | ||
| PCT/US2017/046057 WO2018031630A1 (en) | 2016-08-10 | 2017-08-09 | Sf6 insulated circuit breaker system with thermal capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110313044A true CN110313044A (en) | 2019-10-08 |
| CN110313044B CN110313044B (en) | 2021-11-30 |
Family
ID=61159325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780061492.7A Active CN110313044B (en) | 2016-08-10 | 2017-08-09 | SF6 insulated circuit breaker system with thermal storage |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9991064B2 (en) |
| EP (1) | EP3497707A4 (en) |
| CN (1) | CN110313044B (en) |
| CA (1) | CA3033503C (en) |
| MX (1) | MX2019001625A (en) |
| RU (1) | RU2726858C1 (en) |
| WO (1) | WO2018031630A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3906575B1 (en) * | 2018-12-31 | 2024-02-07 | Hitachi Energy Ltd | Circuit breaker enclosure having integrated pass-through |
| WO2020254004A1 (en) * | 2019-06-21 | 2020-12-24 | Abb Power Grids Switzerland Ag | Dielectric-insulation or arc-extinction fluid |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4006332A (en) * | 1974-11-11 | 1977-02-01 | Westinghouse Electric Corporation | Convection heating apparatus for multi-phase gas-type circuit interrupters |
| JPS62249324A (en) * | 1986-04-23 | 1987-10-30 | 三菱電機株式会社 | Gas blast power breaker |
| US5662072A (en) * | 1995-05-26 | 1997-09-02 | Nippondenso Co., Ltd. | Engine warming-up apparatus for a vehicle and heat insulating device |
| US6147333A (en) * | 1997-11-12 | 2000-11-14 | Metatech Corporation | Breaker blanket heating and insulation unit |
| CN103715621A (en) * | 2012-09-29 | 2014-04-09 | 阿尔斯通技术有限公司 | High-voltage electrical device |
| RU2563575C1 (en) * | 2014-04-25 | 2015-09-20 | Открытое Акционерное Общество Холдинговая Компания "Электрозавод" (Оао "Электрозавод") | Sf6-insulated device operated at low temperatures |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208556A (en) * | 1977-08-22 | 1980-06-17 | Siemens-Allis, Inc. | Force convection heat pump and temperature measuring system for a gas insulated two pressure breaker |
| JPS56107716A (en) | 1980-01-28 | 1981-08-26 | Hitachi Ltd | Gas insulated electric equipment |
| JP2871947B2 (en) * | 1992-04-16 | 1999-03-17 | 三菱電機株式会社 | Breaker |
| DE19517540A1 (en) | 1995-05-12 | 1996-11-14 | Abb Research Ltd | Extinguishing gas releasing material and pressure gas switch with such a material |
| ATE389943T1 (en) | 2004-12-24 | 2008-04-15 | Abb Technology Ag | GENERATOR SWITCH WITH IMPROVED SWITCHING PERFORMANCE |
| US7102101B1 (en) * | 2005-10-06 | 2006-09-05 | Pennsylvania Breaker Llc | High voltage circuit breaker with internal tank heater |
| CN201242969Y (en) | 2008-07-01 | 2009-05-20 | 上海中发依帕超高压电器有限公司 | Outdoor high-voltage SF6 can-type circuit breaker with automatic heat accompany device |
| EP2455957B1 (en) | 2010-11-22 | 2014-03-26 | ABB Research Ltd. | Gas insulated circuit breaker |
| WO2013030963A1 (en) * | 2011-08-30 | 2013-03-07 | 三菱電機株式会社 | Gas circuit breaker |
| CN104335315B (en) * | 2012-05-22 | 2017-04-05 | 三菱电机株式会社 | Gas-break switch |
| CN203434076U (en) * | 2013-03-30 | 2014-02-12 | 陕西恒成电力技术有限责任公司 | Heating device of SF6 circuit breaker |
| US9851156B2 (en) * | 2015-06-11 | 2017-12-26 | John Potee Whitney | Molten-salt-heated indirect screw-type thermal processor |
| CN205303296U (en) * | 2015-12-24 | 2016-06-08 | 陕西恒成电力技术有限责任公司 | Gaseous heat exchange device of SF6 circuit breaker explosion chamber |
| US9911557B2 (en) * | 2016-06-27 | 2018-03-06 | Abb Schweiz Ag | SF6 insultated circuit breaker system with heater |
-
2016
- 2016-08-10 US US15/233,620 patent/US9991064B2/en active Active
-
2017
- 2017-08-09 EP EP17840191.5A patent/EP3497707A4/en active Pending
- 2017-08-09 RU RU2019106308A patent/RU2726858C1/en active
- 2017-08-09 MX MX2019001625A patent/MX2019001625A/en unknown
- 2017-08-09 WO PCT/US2017/046057 patent/WO2018031630A1/en unknown
- 2017-08-09 CN CN201780061492.7A patent/CN110313044B/en active Active
- 2017-08-09 CA CA3033503A patent/CA3033503C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4006332A (en) * | 1974-11-11 | 1977-02-01 | Westinghouse Electric Corporation | Convection heating apparatus for multi-phase gas-type circuit interrupters |
| JPS62249324A (en) * | 1986-04-23 | 1987-10-30 | 三菱電機株式会社 | Gas blast power breaker |
| US5662072A (en) * | 1995-05-26 | 1997-09-02 | Nippondenso Co., Ltd. | Engine warming-up apparatus for a vehicle and heat insulating device |
| US6147333A (en) * | 1997-11-12 | 2000-11-14 | Metatech Corporation | Breaker blanket heating and insulation unit |
| CN103715621A (en) * | 2012-09-29 | 2014-04-09 | 阿尔斯通技术有限公司 | High-voltage electrical device |
| RU2563575C1 (en) * | 2014-04-25 | 2015-09-20 | Открытое Акционерное Общество Холдинговая Компания "Электрозавод" (Оао "Электрозавод") | Sf6-insulated device operated at low temperatures |
Also Published As
| Publication number | Publication date |
|---|---|
| US20180047525A1 (en) | 2018-02-15 |
| CN110313044B (en) | 2021-11-30 |
| RU2726858C1 (en) | 2020-07-16 |
| EP3497707A1 (en) | 2019-06-19 |
| US9991064B2 (en) | 2018-06-05 |
| MX2019001625A (en) | 2019-06-13 |
| CA3033503A1 (en) | 2018-02-15 |
| CA3033503C (en) | 2021-07-27 |
| EP3497707A4 (en) | 2020-03-25 |
| WO2018031630A1 (en) | 2018-02-15 |
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